WO2014036078A3 - Dynamic central cache memory - Google Patents

Dynamic central cache memory Download PDF

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Publication number
WO2014036078A3
WO2014036078A3 PCT/US2013/056980 US2013056980W WO2014036078A3 WO 2014036078 A3 WO2014036078 A3 WO 2014036078A3 US 2013056980 W US2013056980 W US 2013056980W WO 2014036078 A3 WO2014036078 A3 WO 2014036078A3
Authority
WO
WIPO (PCT)
Prior art keywords
module
memory
resources
new
cache
Prior art date
Application number
PCT/US2013/056980
Other languages
French (fr)
Other versions
WO2014036078A2 (en
Inventor
Kimmo J. MYLLY
Original Assignee
Memory Technologies Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Memory Technologies Llc filed Critical Memory Technologies Llc
Publication of WO2014036078A2 publication Critical patent/WO2014036078A2/en
Publication of WO2014036078A3 publication Critical patent/WO2014036078A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G06F12/0873—Mapping of cache memory to specific storage devices or parts thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
    • G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G06F12/0871—Allocation or management of cache space
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management
    • G06F2212/7207—Details relating to flash memory management management of metadata or control data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management
    • G06F2212/7208—Multiple device management, e.g. distributing data over multiple flash devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
    • G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory

Abstract

The specification and drawings present a new apparatus, method and software related product for using a cache/central cache module/device (instead of, e.g., system DRAM) which can serve multiple memory modules/devices. Each memory/IO module/device connected to the same memory network (e.g., via hub, bus, etc.) may utilize memory resources of this cache module/device either in a fixed manner using pre-set allocation of resources per the memory module/device, or dynamically using run-time allocation of new resources to an existing module/device per its request or to a new module/device connecting to the memory network (e.g., comprised in a host device) and possibly requesting memory resources.
PCT/US2013/056980 2012-08-28 2013-08-28 Dynamic central cache memory WO2014036078A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/596,480 US9116820B2 (en) 2012-08-28 2012-08-28 Dynamic central cache memory
US13/596,480 2012-08-28

Publications (2)

Publication Number Publication Date
WO2014036078A2 WO2014036078A2 (en) 2014-03-06
WO2014036078A3 true WO2014036078A3 (en) 2014-05-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/056980 WO2014036078A2 (en) 2012-08-28 2013-08-28 Dynamic central cache memory

Country Status (3)

Country Link
US (1) US9116820B2 (en)
TW (1) TW201432452A (en)
WO (1) WO2014036078A2 (en)

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US9311226B2 (en) 2012-04-20 2016-04-12 Memory Technologies Llc Managing operational state data of a memory module using host memory in association with state change
US9164804B2 (en) 2012-06-20 2015-10-20 Memory Technologies Llc Virtual memory module
US9575884B2 (en) * 2013-05-13 2017-02-21 Qualcomm Incorporated System and method for high performance and low cost flash translation layer
KR20180038109A (en) * 2016-10-05 2018-04-16 삼성전자주식회사 Electronic device including monitoring circuit and storage device included therein
TW201818248A (en) 2016-11-15 2018-05-16 慧榮科技股份有限公司 Memory managing method for data storage device
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Also Published As

Publication number Publication date
US9116820B2 (en) 2015-08-25
TW201432452A (en) 2014-08-16
US20140068140A1 (en) 2014-03-06
WO2014036078A2 (en) 2014-03-06

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